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102 قسمت
TechKnow - Season 1 Episode 7 قسمت 7
About science, by scientists.
Join our expert contributors as they explore new technology, including a new kind of high-density plastic that can be inserted into students' backpacks or teachers' white boards in hopes of deflecting gunfire.
- سال: 2016
- کشور: United States of America
- ژانر. دسته: News
- استودیو: Al Jazeera America
- کلمه کلیدی:
- کارگردان:
- قالب: Phil Torres, Cara Santa Maria
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